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Convert Celsius to Rankine

°C
°R

30 °C = 545.67 °R

°R = (°C + 273.15) × 9/5

Convert Celsius to Rankine instantly — type in either box and it works both ways.

How to convert Celsius to Rankine

To convert degrees Celsius to degrees Rankine, add 273.15, then multiply by 9/5.

°R = (°C + 273.15) × 9/5

Example: convert 30 °C to °R

  1. (30 + 273.15) × 9/5 = 545.67
  2. 30 °C = 545.67 °R

Celsius to Rankine conversion chart

Degrees Celsius (°C)Degrees Rankine (°R)
-40 °C419.67 °R
-20 °C455.67 °R
-10 °C473.67 °R
0 °C491.67 °R
10 °C509.67 °R
20 °C527.67 °R
25 °C536.67 °R
30 °C545.67 °R
37 °C558.27 °R
40 °C563.67 °R
50 °C581.67 °R
100 °C671.67 °R
150 °C761.67 °R
180 °C815.67 °R
200 °C851.67 °R

Frequently asked questions

How do you convert Celsius to Rankine?

To convert degrees Celsius to degrees Rankine, add 273.15, then multiply by 9/5. The formula is °R = (°C + 273.15) × 9/5.

How many degrees Rankine are in one Celsius?

1 °C = 493.47 °R.

How do I convert degrees Rankine back to degrees Celsius?

Use the reverse formula: °C = (°R − 491.67) × 5/9. For example 1 °R = -272.5944 °C.

At what temperature are Celsius and Fahrenheit equal?

−40 °C is exactly −40 °F. It is the only temperature where both scales show the same number.

Is this converter free and accurate?

Yes. It is free, uses exact internationally defined conversion factors, and runs in your browser — nothing you type is sent anywhere.

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